| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.78 | 0.01 |
| Feb | 1.00 | 1.00 | 0.00 |
| Mar | 1.83 | 1.73 | 0.10 |
| Apr | 2.97 | 2.98 | -0.01 |
| May | 5.23 | 5.22 | 0.01 |
| Jun | 4.75 | 4.76 | -0.01 |
| Jul | 4.03 | 3.86 | 0.17 |
| Aug | 3.78 | 3.55 | 0.23 |
| Sep | 3.12 | 3.02 | 0.10 |
| Oct | 2.50 | 2.47 | 0.03 |
| Nov | 1.38 | 1.43 | -0.05 |
| Dec | 1.25 | 1.19 | 0.06 |
32.63 | 31.99 | 0.64 |